[INFO] cloning repository https://github.com/Kneelawk/fractal-viewer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kneelawk/fractal-viewer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Ffractal-viewer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Ffractal-viewer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8739e2cf5dda06c4f2138ac20ffdcd1db762591c
[INFO] checking Kneelawk/fractal-viewer-rs against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Ffractal-viewer-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kneelawk/fractal-viewer-rs on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kneelawk/fractal-viewer-rs
[INFO] finished tweaking git repo https://github.com/Kneelawk/fractal-viewer-rs
[INFO] tweaked toml for git repo https://github.com/Kneelawk/fractal-viewer-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Kneelawk/fractal-viewer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.16.1
[INFO] [stderr]   Downloaded deflate v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abae88a01af0dd2d92764441a3293e2084148b2a2452c89ec0575155ce52b00f
[INFO] running `Command { std: "docker" "start" "-a" "abae88a01af0dd2d92764441a3293e2084148b2a2452c89ec0575155ce52b00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abae88a01af0dd2d92764441a3293e2084148b2a2452c89ec0575155ce52b00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abae88a01af0dd2d92764441a3293e2084148b2a2452c89ec0575155ce52b00f", kill_on_drop: false }`
[INFO] [stdout] abae88a01af0dd2d92764441a3293e2084148b2a2452c89ec0575155ce52b00f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4272e79c614179d7b28059f45e92b5a6db8447a3f99ee4cbb4f6be78c5d4a5ba
[INFO] running `Command { std: "docker" "start" "-a" "4272e79c614179d7b28059f45e92b5a6db8447a3f99ee4cbb4f6be78c5d4a5ba", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking fractal-viewer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `views`
[INFO] [stdout]   --> src/generator/composite.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         views: Vec<View>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_views`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/generator/composite.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         result: SyncSender<FractalGenerationMessage>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `running_views`
[INFO] [stdout]   --> src/generator/composite.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     running_views: VecDeque<View>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out_of_order`
[INFO] [stdout]   --> src/generator/composite.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     out_of_order: BTreeMap<View, FractalGenerationMessage>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `monitor_thread`
[INFO] [stdout]   --> src/generator/composite.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     monitor_thread: Arc<MonitorThread>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessThanConstraint`
[INFO] [stdout]   --> src/generator/view.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     LessThanConstraint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WithinConstraint`
[INFO] [stdout]   --> src/generator/view.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     WithinConstraint(T),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GreaterThanConstraint`
[INFO] [stdout]   --> src/generator/view.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GreaterThanConstraint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_centered_uniform`
[INFO] [stdout]   --> src/generator/view.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new_centered_uniform(image_width: usize, image_height: usize, plane_width: f32) -> View {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel_coordinates`
[INFO] [stdout]    --> src/generator/view.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn get_pixel_coordinates(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mod2`
[INFO] [stdout]  --> src/generator/util.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn mod2(mut value: f32, min: f32, max: f32) -> f32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `views`
[INFO] [stdout]   --> src/generator/composite.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         views: Vec<View>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_views`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/generator/composite.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         result: SyncSender<FractalGenerationMessage>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `running_views`
[INFO] [stdout]   --> src/generator/composite.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     running_views: VecDeque<View>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out_of_order`
[INFO] [stdout]   --> src/generator/composite.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     out_of_order: BTreeMap<View, FractalGenerationMessage>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `monitor_thread`
[INFO] [stdout]   --> src/generator/composite.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     monitor_thread: Arc<MonitorThread>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessThanConstraint`
[INFO] [stdout]   --> src/generator/view.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     LessThanConstraint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WithinConstraint`
[INFO] [stdout]   --> src/generator/view.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     WithinConstraint(T),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GreaterThanConstraint`
[INFO] [stdout]   --> src/generator/view.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GreaterThanConstraint,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_centered_uniform`
[INFO] [stdout]   --> src/generator/view.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new_centered_uniform(image_width: usize, image_height: usize, plane_width: f32) -> View {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel_coordinates`
[INFO] [stdout]    --> src/generator/view.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn get_pixel_coordinates(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mod2`
[INFO] [stdout]  --> src/generator/util.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn mod2(mut value: f32, min: f32, max: f32) -> f32 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "4272e79c614179d7b28059f45e92b5a6db8447a3f99ee4cbb4f6be78c5d4a5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4272e79c614179d7b28059f45e92b5a6db8447a3f99ee4cbb4f6be78c5d4a5ba", kill_on_drop: false }`
[INFO] [stdout] 4272e79c614179d7b28059f45e92b5a6db8447a3f99ee4cbb4f6be78c5d4a5ba